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authorhttp://smcv.pseudorandom.co.uk/ <smcv@web>2010-12-28 14:46:21 +0000
committerJoey Hess <joey@kitenet.net>2010-12-28 14:46:21 +0000
commit0fc36d36be86a67fb99f1853632f845c98c95651 (patch)
tree9b9c61433c3c48ea07aaf9677a2663a1a6d71df4 /doc/todo
parent505d6925d461025551c017e84ac4be1a367551b5 (diff)
analysis of how autofile and autoindex differ
Diffstat (limited to 'doc/todo')
-rw-r--r--doc/todo/autoindex_should_use_add__95__autofile.mdwn69
1 files changed, 67 insertions, 2 deletions
diff --git a/doc/todo/autoindex_should_use_add__95__autofile.mdwn b/doc/todo/autoindex_should_use_add__95__autofile.mdwn
index 353168c4f..0ac3c4225 100644
--- a/doc/todo/autoindex_should_use_add__95__autofile.mdwn
+++ b/doc/todo/autoindex_should_use_add__95__autofile.mdwn
@@ -15,6 +15,8 @@ quite, entirely unlike". I tried digging through the git history for the
reasoning behind the autofile and autoindex implementations, but now I'm
mostly confused.
+## autofile
+
The autofile machinery records a list of every file that has ever been proposed
as an autofile: for instance, the tag plugin has a list of every tag that
has ever been named in a \[[!tag]] or \[[!taglink]], even if no file was
@@ -23,11 +25,74 @@ already exist (or whatever) are deferred until after this list has been
updated, and files in this list are never auto-created again unless the wiki
is rebuilt.
+This avoids re-creating the tag `create-del` in this situation, which is
+the third one that I noted on
+[[todo/auto-create tag pages according to a template]]:
+
+* create tags/create-del manually
+* tag a page as create-del
+* delete tags/create-del
+
+and also avoids re-creating `auto-del` in this similar situation (which I
+think is probably the most important one to get right):
+
+* tag a page as auto-del, which is created automatically
+* delete tags/auto-del
+
+I think both of these are desirable.
+
+However, this infrastructure also results in the tag page not being
+re-created in either of these situations (the first and second that I noted
+on the other page):
+
+* tag a page as auto-del-create-del, which is created automatically
+* delete tags/auto-del-create-del
+* create tags/auto-del-create-del manually
+* delete tags/auto-del-create-del again
+
+or
+
+* create tags/create-del-auto
+* delete tags/create-del-auto
+* tag a page as create-del-auto
+
+I'm less sure that these shouldn't create the tag page: we deleted the
+manually-created version, but that doesn't necessarily mean we don't want
+*something* to exist.
+
+## autoindex
+
The autoindex machinery records a more complex set. Items are added to the
set when they are deleted, but would otherwise have been added as an autoindex
(don't exist, do have children (by which I mean subpages or attachments),
and are a directory in the srcdir). They're removed if this particular run
wouldn't have added them as an autoindex (they exist, or don't have children).
-Still researching why there's this difference, and whether one or the other
-would be better for all cases...
+Here's what happens in situations mirroring those above.
+
+The "create-del" case still doesn't create the page:
+
+* create create-del manually
+* create create-del/child
+* delete create-del
+* it's added to `%deleted` and not re-created
+
+Neither does the "auto-del" case:
+
+* create auto-del/child, resulting in auto-del being created automatically
+* delete auto-del
+* it's added to `%deleted` and not re-created
+
+However, unlike the generic autofile infrastructure, `autoindex` forgets
+that it shouldn't re-create the deleted page in the latter two situations:
+
+* create auto-del-create-del/child, resulting in auto-del-create-del being
+ created automatically
+* delete auto-del-create-del; it's added to `%deleted` and not re-created
+* create auto-del-create-del manually; it's removed from `%deleted`
+* delete auto-del-create-del again (it's re-created)
+
+* create create-del-auto
+* delete create-del-auto; it's not added to `%deleted` because there's no
+ child that would cause it to exist
+* create create-del-auto/child